145874852 has 6 divisors (see below), whose sum is σ = 255280998. Its totient is φ = 72937424.

The previous prime is 145874849. The next prime is 145874873. The reversal of 145874852 is 258478541.

It can be written as a sum of positive squares in only one way, i.e., 118897216 + 26977636 = 10904^2 + 5194^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18234353 + ... + 18234360.

It is an arithmetic number, because the mean of its divisors is an integer number (42546833).

Almost surely, 2^145874852 is an apocalyptic number.

It is an amenable number.

145874852 is a deficient number, since it is larger than the sum of its proper divisors (109406146).

145874852 is a wasteful number, since it uses less digits than its factorization.

145874852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36468717 (or 36468715 counting only the distinct ones).

The product of its digits is 358400, while the sum is 44.

The square root of 145874852 is about 12077.8662022727. The cubic root of 145874852 is about 526.4132468419.

The spelling of 145874852 in words is "one hundred forty-five million, eight hundred seventy-four thousand, eight hundred fifty-two".