145690502 has 8 divisors (see below), whose sum is σ = 218982312. Its totient is φ = 72696400.

The previous prime is 145690477. The next prime is 145690511. The reversal of 145690502 is 205096541.

It is a happy number.

145690502 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73199 + ... + 75162.

It is an arithmetic number, because the mean of its divisors is an integer number (27372789).

Almost surely, 2^145690502 is an apocalyptic number.

145690502 is a deficient number, since it is larger than the sum of its proper divisors (73291810).

145690502 is a wasteful number, since it uses less digits than its factorization.

145690502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148854.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 145690502 is about 12070.2320607352. The cubic root of 145690502 is about 526.1914009937.

The spelling of 145690502 in words is "one hundred forty-five million, six hundred ninety thousand, five hundred two".