145616236 has 6 divisors (see below), whose sum is σ = 254828420. Its totient is φ = 72808116.

The previous prime is 145616231. The next prime is 145616257. The reversal of 145616236 is 632616541.

It is not an unprimeable number, because it can be changed into a prime (145616231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18202026 + ... + 18202033.

Almost surely, 2^145616236 is an apocalyptic number.

It is an amenable number.

145616236 is a deficient number, since it is larger than the sum of its proper divisors (109212184).

145616236 is a wasteful number, since it uses less digits than its factorization.

145616236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36404063 (or 36404061 counting only the distinct ones).

The product of its digits is 25920, while the sum is 34.

The square root of 145616236 is about 12067.1552571433. The cubic root of 145616236 is about 526.1019767874.

The spelling of 145616236 in words is "one hundred forty-five million, six hundred sixteen thousand, two hundred thirty-six".