145504502 has 32 divisors (see below), whose sum is σ = 260789760. Its totient is φ = 60009120.

The previous prime is 145504481. The next prime is 145504511. The reversal of 145504502 is 205405541.

145504502 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (26).

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, 12563 + ... + 21185.

It is an arithmetic number, because the mean of its divisors is an integer number (8149680).

Almost surely, 2^145504502 is an apocalyptic number.

145504502 is a deficient number, since it is larger than the sum of its proper divisors (115285258).

145504502 is a wasteful number, since it uses less digits than its factorization.

145504502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8708.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 145504502 is about 12062.5246942752. The cubic root of 145504502 is about 525.9673798003.

The spelling of 145504502 in words is "one hundred forty-five million, five hundred four thousand, five hundred two".