145478612 has 6 divisors (see below), whose sum is σ = 254587578. Its totient is φ = 72739304.

The previous prime is 145478603. The next prime is 145478617. The reversal of 145478612 is 216874541.

It can be written as a sum of positive squares in only one way, i.e., 137264656 + 8213956 = 11716^2 + 2866^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145478617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18184823 + ... + 18184830.

It is an arithmetic number, because the mean of its divisors is an integer number (42431263).

Almost surely, 2^145478612 is an apocalyptic number.

It is an amenable number.

145478612 is a deficient number, since it is larger than the sum of its proper divisors (109108966).

145478612 is a wasteful number, since it uses less digits than its factorization.

145478612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36369657 (or 36369655 counting only the distinct ones).

The product of its digits is 53760, while the sum is 38.

The square root of 145478612 is about 12061.4514881087. The cubic root of 145478612 is about 525.9361823620.

The spelling of 145478612 in words is "one hundred forty-five million, four hundred seventy-eight thousand, six hundred twelve".