145156161532852 has 12 divisors (see below), whose sum is σ = 254063751626020. Its totient is φ = 72566518211136.

The previous prime is 145156161532841. The next prime is 145156161532853. The reversal of 145156161532852 is 258235161651541.

It can be written as a sum of positive squares in 2 ways, for example, as 140651392999716 + 4504768533136 = 11859654^2 + 2122444^2 .

It is a super-2 number, since 2×145156161532852² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145156161532793 and 145156161532802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145156161532853) 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, 2890610577 + ... + 2890660792.

Almost surely, 2^{145156161532852} is an apocalyptic number.

It is an amenable number.

145156161532852 is a deficient number, since it is larger than the sum of its proper divisors (108907590093168).

145156161532852 is a wasteful number, since it uses less digits than its factorization.

145156161532852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5781277650 (or 5781277648 counting only the distinct ones).

The product of its digits is 8640000, while the sum is 55.

The spelling of 145156161532852 in words is "one hundred forty-five trillion, one hundred fifty-six billion, one hundred sixty-one million, five hundred thirty-two thousand, eight hundred fifty-two".