145246502 has 4 divisors (see below), whose sum is σ = 217869756. Its totient is φ = 72623250.

The previous prime is 145246483. The next prime is 145246511. The reversal of 145246502 is 205642541.

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 polite number, since it can be written as a sum of consecutive naturals, namely, 36311624 + ... + 36311627.

It is an arithmetic number, because the mean of its divisors is an integer number (54467439).

Almost surely, 2^145246502 is an apocalyptic number.

145246502 is a deficient number, since it is larger than the sum of its proper divisors (72623254).

145246502 is an equidigital number, since it uses as much as digits as its factorization.

145246502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72623253.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 145246502 is about 12051.8256708268. The cubic root of 145246502 is about 525.6563244354.

The spelling of 145246502 in words is "one hundred forty-five million, two hundred forty-six thousand, five hundred two".