145712974 has 32 divisors (see below), whose sum is σ = 243129600. Its totient is φ = 64944000.

The previous prime is 145712969. The next prime is 145712977. The reversal of 145712974 is 479217541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145712977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 363174 + ... + 363574.

It is an arithmetic number, because the mean of its divisors is an integer number (7597800).

Almost surely, 2^145712974 is an apocalyptic number.

145712974 is a deficient number, since it is larger than the sum of its proper divisors (97416626).

145712974 is a wasteful number, since it uses less digits than its factorization.

145712974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696.

The product of its digits is 70560, while the sum is 40.

The square root of 145712974 is about 12071.1629100100. The cubic root of 145712974 is about 526.2184536958.

The spelling of 145712974 in words is "one hundred forty-five million, seven hundred twelve thousand, nine hundred seventy-four".