156061201 has 4 divisors (see below), whose sum is σ = 156086272. Its totient is φ = 156036132.

The previous prime is 156061189. The next prime is 156061247. The reversal of 156061201 is 102160651.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 102160651 = 6803 ⋅15017.

It is a cyclic number.

It is not a de Polignac number, because 156061201 - 2¹¹ = 156059153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (156061271) 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, 4720 + ... + 18286.

It is an arithmetic number, because the mean of its divisors is an integer number (39021568).

Almost surely, 2^156061201 is an apocalyptic number.

It is an amenable number.

156061201 is a deficient number, since it is larger than the sum of its proper divisors (25071).

156061201 is a wasteful number, since it uses less digits than its factorization.

156061201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25070.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 156061201 is about 12492.4457573367. The cubic root of 156061201 is about 538.3916490123.

It can be divided in two parts, 15606 and 1201, that added together give a 5-th power (16807 = 7⁵).

The spelling of 156061201 in words is "one hundred fifty-six million, sixty-one thousand, two hundred one".