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145750007 = 1319718311
BaseRepresentation
bin10001010111111…
…11011111110111
3101011020212102102
420223333133313
5244303000012
622243532315
73416566064
oct1053773767
9334225372
10145750007
11752aa157
124098a09b
1324271610
14154ddc6b
15cbe02c2
hex8aff7f7

145750007 has 16 divisors (see below), whose sum is σ = 167569920. Its totient is φ = 125647200.

The previous prime is 145749983. The next prime is 145750009. The reversal of 145750007 is 700057541.

It is a cyclic number.

It is not a de Polignac number, because 145750007 - 218 = 145487863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145750009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13382 + ... + 21692.

It is an arithmetic number, because the mean of its divisors is an integer number (10473120).

Almost surely, 2145750007 is an apocalyptic number.

145750007 is a deficient number, since it is larger than the sum of its proper divisors (21819913).

145750007 is a wasteful number, since it uses less digits than its factorization.

145750007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8414.

The product of its (nonzero) digits is 4900, while the sum is 29.

The square root of 145750007 is about 12072.6967575600. The cubic root of 145750007 is about 526.2630294504.

The spelling of 145750007 in words is "one hundred forty-five million, seven hundred fifty thousand, seven".

Divisors: 1 13 19 71 247 923 1349 8311 17537 108043 157909 590081 2052817 7671053 11211539 145750007