156995053 has 4 divisors (see below), whose sum is σ = 157027680. Its totient is φ = 156962428.

The previous prime is 156995011. The next prime is 156995057. The reversal of 156995053 is 350599651.

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 an emirpimes, since its reverse is a distinct semiprime: 350599651 = 41 ⋅8551211.

It is a cyclic number.

It is not a de Polignac number, because 156995053 - 2¹³ = 156986861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156995057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7513 + ... + 19246.

It is an arithmetic number, because the mean of its divisors is an integer number (39256920).

Almost surely, 2^156995053 is an apocalyptic number.

It is an amenable number.

156995053 is a deficient number, since it is larger than the sum of its proper divisors (32627).

156995053 is an equidigital number, since it uses as much as digits as its factorization.

156995053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32626.

The product of its (nonzero) digits is 182250, while the sum is 43.

The square root of 156995053 is about 12529.7666777957. The cubic root of 156995053 is about 539.4634050081.

The spelling of 156995053 in words is "one hundred fifty-six million, nine hundred ninety-five thousand, fifty-three".