145529612 has 6 divisors (see below), whose sum is σ = 254676828. Its totient is φ = 72764804.

The previous prime is 145529599. The next prime is 145529617. The reversal of 145529612 is 216925541.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (145529617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18191198 + ... + 18191205.

It is an arithmetic number, because the mean of its divisors is an integer number (42446138).

Almost surely, 2^145529612 is an apocalyptic number.

It is an amenable number.

145529612 is a deficient number, since it is larger than the sum of its proper divisors (109147216).

145529612 is a wasteful number, since it uses less digits than its factorization.

145529612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36382407 (or 36382405 counting only the distinct ones).

The product of its digits is 21600, while the sum is 35.

The square root of 145529612 is about 12063.5654762595. The cubic root of 145529612 is about 525.9976338041.

The spelling of 145529612 in words is "one hundred forty-five million, five hundred twenty-nine thousand, six hundred twelve".