145002502 has 4 divisors (see below), whose sum is σ = 217503756. Its totient is φ = 72501250.

The previous prime is 145002499. The next prime is 145002521. The reversal of 145002502 is 205200541.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 145002502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36250624 + ... + 36250627.

It is an arithmetic number, because the mean of its divisors is an integer number (54375939).

Almost surely, 2^145002502 is an apocalyptic number.

145002502 is a deficient number, since it is larger than the sum of its proper divisors (72501254).

145002502 is an equidigital number, since it uses as much as digits as its factorization.

145002502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72501253.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 145002502 is about 12041.6984682394. The cubic root of 145002502 is about 525.3618089507.

The spelling of 145002502 in words is "one hundred forty-five million, two thousand, five hundred two".