156148741 has 6 divisors (see below), whose sum is σ = 181642470. Its totient is φ = 133841736.

The previous prime is 156148739. The next prime is 156148747. The reversal of 156148741 is 147841651.

It can be written as a sum of positive squares in only one way, i.e., 156125025 + 23716 = 12495^2 + 154^2 .

It is not a de Polignac number, because 156148741 - 2¹ = 156148739 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 156148741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156148747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1593306 + ... + 1593403.

It is an arithmetic number, because the mean of its divisors is an integer number (30273745).

Almost surely, 2^156148741 is an apocalyptic number.

It is an amenable number.

156148741 is a deficient number, since it is larger than the sum of its proper divisors (25493729).

156148741 is an equidigital number, since it uses as much as digits as its factorization.

156148741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3186723 (or 3186716 counting only the distinct ones).

The product of its digits is 26880, while the sum is 37.

The square root of 156148741 is about 12495.9489835706. The cubic root of 156148741 is about 538.4922975506.

The spelling of 156148741 in words is "one hundred fifty-six million, one hundred forty-eight thousand, seven hundred forty-one".