145797045 has 16 divisors (see below), whose sum is σ = 233468352. Its totient is φ = 77694080.

The previous prime is 145797031. The next prime is 145797073. The reversal of 145797045 is 540797541.

It is a happy number.

It is not a de Polignac number, because 145797045 - 2¹⁸ = 145534901 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 145796988 and 145797006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18934 + ... + 25496.

It is an arithmetic number, because the mean of its divisors is an integer number (14591772).

Almost surely, 2^145797045 is an apocalyptic number.

145797045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145797045 is a deficient number, since it is larger than the sum of its proper divisors (87671307).

145797045 is a wasteful number, since it uses less digits than its factorization.

145797045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8052.

The product of its (nonzero) digits is 176400, while the sum is 42.

The square root of 145797045 is about 12074.6447152701. The cubic root of 145797045 is about 526.3196371043.

The spelling of 145797045 in words is "one hundred forty-five million, seven hundred ninety-seven thousand, forty-five".