145361236 has 12 divisors (see below), whose sum is σ = 260586900. Its totient is φ = 70907840.

The previous prime is 145361233. The next prime is 145361273. The reversal of 145361236 is 632163541.

It can be written as a sum of positive squares in 2 ways, for example, as 41525136 + 103836100 = 6444^2 + 10190^2 .

It is a super-2 number, since 2×145361236² = 42259777862895392, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145361198 and 145361207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145361233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 443011 + ... + 443338.

It is an arithmetic number, because the mean of its divisors is an integer number (21715575).

Almost surely, 2^145361236 is an apocalyptic number.

It is an amenable number.

145361236 is a deficient number, since it is larger than the sum of its proper divisors (115225664).

145361236 is a wasteful number, since it uses less digits than its factorization.

145361236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886394 (or 886392 counting only the distinct ones).

The product of its digits is 12960, while the sum is 31.

The square root of 145361236 is about 12056.5847568870. The cubic root of 145361236 is about 525.7946978868.

The spelling of 145361236 in words is "one hundred forty-five million, three hundred sixty-one thousand, two hundred thirty-six".