156145133 has 4 divisors (see below), whose sum is σ = 156293088. Its totient is φ = 155997180.

The previous prime is 156145127. The next prime is 156145141. The reversal of 156145133 is 331541651.

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 156145133 - 2¹⁶ = 156079597 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 156145096 and 156145105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156145123) 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, 72383 + ... + 74508.

It is an arithmetic number, because the mean of its divisors is an integer number (39073272).

Almost surely, 2^156145133 is an apocalyptic number.

It is an amenable number.

156145133 is a deficient number, since it is larger than the sum of its proper divisors (147955).

156145133 is a wasteful number, since it uses less digits than its factorization.

156145133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147954.

The product of its digits is 5400, while the sum is 29.

The square root of 156145133 is about 12495.8046159501. The cubic root of 156145133 is about 538.4881500197.

Adding to 156145133 its reverse (331541651), we get a palindrome (487686784).

The spelling of 156145133 in words is "one hundred fifty-six million, one hundred forty-five thousand, one hundred thirty-three".