156486149 has 4 divisors (see below), whose sum is σ = 158005536. Its totient is φ = 154966764.

The previous prime is 156486103. The next prime is 156486151. The reversal of 156486149 is 941684651.

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, and also an emirpimes, since its reverse is a distinct semiprime: 941684651 = 1213 ⋅776327.

It is a cyclic number.

It is not a de Polignac number, because 156486149 - 2⁸ = 156485893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156486179) 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, 759539 + ... + 759744.

It is an arithmetic number, because the mean of its divisors is an integer number (39501384).

Almost surely, 2^156486149 is an apocalyptic number.

It is an amenable number.

156486149 is a deficient number, since it is larger than the sum of its proper divisors (1519387).

156486149 is a wasteful number, since it uses less digits than its factorization.

156486149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1519386.

The product of its digits is 207360, while the sum is 44.

The square root of 156486149 is about 12509.4423936481. The cubic root of 156486149 is about 538.8798786431.

The spelling of 156486149 in words is "one hundred fifty-six million, four hundred eighty-six thousand, one hundred forty-nine".