156142733 has 8 divisors (see below), whose sum is σ = 159164160. Its totient is φ = 153133920.

The previous prime is 156142729. The next prime is 156142783. The reversal of 156142733 is 337241651.

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 156142733 - 2² = 156142729 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 156142733.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156142783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24068 + ... + 29858.

It is an arithmetic number, because the mean of its divisors is an integer number (19895520).

Almost surely, 2^156142733 is an apocalyptic number.

It is an amenable number.

156142733 is a deficient number, since it is larger than the sum of its proper divisors (3021427).

156142733 is an equidigital number, since it uses as much as digits as its factorization.

156142733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6307.

The product of its digits is 15120, while the sum is 32.

The square root of 156142733 is about 12495.7085833497. The cubic root of 156142733 is about 538.4853910946.

The spelling of 156142733 in words is "one hundred fifty-six million, one hundred forty-two thousand, seven hundred thirty-three".