156198441 has 16 divisors (see below), whose sum is σ = 238229504. Its totient is φ = 89176464.

The previous prime is 156198439. The next prime is 156198461. The reversal of 156198441 is 144891651.

156198441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 156198441 - 2¹ = 156198439 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 156198441.

It is not an unprimeable number, because it can be changed into a prime (156198401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27270 + ... + 32496.

It is an arithmetic number, because the mean of its divisors is an integer number (14889344).

Almost surely, 2^156198441 is an apocalyptic number.

It is an amenable number.

156198441 is a deficient number, since it is larger than the sum of its proper divisors (82031063).

156198441 is a wasteful number, since it uses less digits than its factorization.

156198441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6660.

The product of its digits is 34560, while the sum is 39.

The square root of 156198441 is about 12497.9374698388. The cubic root of 156198441 is about 538.5494230581.

The spelling of 156198441 in words is "one hundred fifty-six million, one hundred ninety-eight thousand, four hundred forty-one".