145631356 has 36 divisors (see below), whose sum is σ = 277546584. Its totient is φ = 66830400.

The previous prime is 145631347. The next prime is 145631393. The reversal of 145631356 is 653136541.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 142126 + ... + 143146.

Almost surely, 2^145631356 is an apocalyptic number.

It is an amenable number.

145631356 is a deficient number, since it is larger than the sum of its proper divisors (131915228).

145631356 is a wasteful number, since it uses less digits than its factorization.

145631356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1262 (or 1247 counting only the distinct ones).

The product of its digits is 32400, while the sum is 34.

The square root of 145631356 is about 12067.7817348509. The cubic root of 145631356 is about 526.1201853489.

Adding to 145631356 its reverse (653136541), we get a palindrome (798767897).

The spelling of 145631356 in words is "one hundred forty-five million, six hundred thirty-one thousand, three hundred fifty-six".