156246049 has 4 divisors (see below), whose sum is σ = 156504064. Its totient is φ = 155988036.

The previous prime is 156246037. The next prime is 156246179. The reversal of 156246049 is 940642651.

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.

It is a cyclic number.

It is not a de Polignac number, because 156246049 - 2¹¹ = 156244001 is a prime.

It is a super-2 number, since 2×156246049² = 48825655656220802, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 156245999 and 156246017.

It is not an unprimeable number, because it can be changed into a prime (156246749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128097 + ... + 129310.

It is an arithmetic number, because the mean of its divisors is an integer number (39126016).

Almost surely, 2^156246049 is an apocalyptic number.

It is an amenable number.

156246049 is a deficient number, since it is larger than the sum of its proper divisors (258015).

156246049 is an equidigital number, since it uses as much as digits as its factorization.

156246049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258014.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 156246049 is about 12499.8419590009. The cubic root of 156246049 is about 538.6041326449.

The spelling of 156246049 in words is "one hundred fifty-six million, two hundred forty-six thousand, forty-nine".