145254104 has 8 divisors (see below), whose sum is σ = 272351460. Its totient is φ = 72627048.

The previous prime is 145254101. The next prime is 145254133. The reversal of 145254104 is 401452541.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145254101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9078374 + ... + 9078389.

Almost surely, 2^145254104 is an apocalyptic number.

It is an amenable number.

145254104 is a deficient number, since it is larger than the sum of its proper divisors (127097356).

145254104 is a wasteful number, since it uses less digits than its factorization.

145254104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18156769 (or 18156765 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 145254104 is about 12052.1410546010. The cubic root of 145254104 is about 525.6654949825.

The spelling of 145254104 in words is "one hundred forty-five million, two hundred fifty-four thousand, one hundred four".