156053381 has 8 divisors (see below), whose sum is σ = 170973504. Its totient is φ = 141255520.

The previous prime is 156053369. The next prime is 156053399. The reversal of 156053381 is 183350651.

156053381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 156053381 - 2¹⁴ = 156036997 is a prime.

It is a super-2 number, since 2×156053381² = 48705315443062322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156053981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27881 + ... + 33006.

It is an arithmetic number, because the mean of its divisors is an integer number (21371688).

Almost surely, 2^156053381 is an apocalyptic number.

156053381 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

156053381 is a deficient number, since it is larger than the sum of its proper divisors (14920123).

156053381 is a wasteful number, since it uses less digits than its factorization.

156053381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61131.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 156053381 is about 12492.1327642641. The cubic root of 156053381 is about 538.3826561877.

The spelling of 156053381 in words is "one hundred fifty-six million, fifty-three thousand, three hundred eighty-one".