145174670 has 16 divisors (see below), whose sum is σ = 262761408. Its totient is φ = 57748320.

The previous prime is 145174669. The next prime is 145174691. The reversal of 145174670 is 76471541.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 145174670.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38294 + ... + 41913.

It is an arithmetic number, because the mean of its divisors is an integer number (16422588).

Almost surely, 2^145174670 is an apocalyptic number.

145174670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145174670 is a deficient number, since it is larger than the sum of its proper divisors (117586738).

145174670 is a wasteful number, since it uses less digits than its factorization.

145174670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80395.

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 145174670 is about 12048.8451728786. The cubic root of 145174670 is about 525.5696552881.

The spelling of 145174670 in words is "one hundred forty-five million, one hundred seventy-four thousand, six hundred seventy".