145039710 has 32 divisors (see below), whose sum is σ = 348746112. Its totient is φ = 38604960.

The previous prime is 145039709. The next prime is 145039777. The reversal of 145039710 is 17930541.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12897 + ... + 21363.

It is an arithmetic number, because the mean of its divisors is an integer number (10898316).

Almost surely, 2^145039710 is an apocalyptic number.

145039710 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145039710 is an abundant number, since it is smaller than the sum of its proper divisors (203706402).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145039710 is a wasteful number, since it uses less digits than its factorization.

145039710 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9048.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 145039710 is about 12043.2433339196. The cubic root of 145039710 is about 525.4067414867.

The spelling of 145039710 in words is "one hundred forty-five million, thirty-nine thousand, seven hundred ten".