145012502 has 4 divisors (see below), whose sum is σ = 217518756. Its totient is φ = 72506250.

The previous prime is 145012463. The next prime is 145012519. The reversal of 145012502 is 205210541.

145012502 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36253124 + ... + 36253127.

It is an arithmetic number, because the mean of its divisors is an integer number (54379689).

Almost surely, 2^145012502 is an apocalyptic number.

145012502 is a deficient number, since it is larger than the sum of its proper divisors (72506254).

145012502 is an equidigital number, since it uses as much as digits as its factorization.

145012502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72506253.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 145012502 is about 12042.1136848977. The cubic root of 145012502 is about 525.3738857477.

The spelling of 145012502 in words is "one hundred forty-five million, twelve thousand, five hundred two".