145716502 has 8 divisors (see below), whose sum is σ = 218627712. Its totient is φ = 72840600.

The previous prime is 145716499. The next prime is 145716509. The reversal of 145716502 is 205617541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145716509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7627 + ... + 18697.

It is an arithmetic number, because the mean of its divisors is an integer number (27328464).

Almost surely, 2^145716502 is an apocalyptic number.

145716502 is a deficient number, since it is larger than the sum of its proper divisors (72911210).

145716502 is a wasteful number, since it uses less digits than its factorization.

145716502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17654.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 145716502 is about 12071.3090425190. The cubic root of 145716502 is about 526.2227005922. Note that the first 3 decimals are identical.

The spelling of 145716502 in words is "one hundred forty-five million, seven hundred sixteen thousand, five hundred two".