156420546 has 8 divisors (see below), whose sum is σ = 312841104. Its totient is φ = 52140180.

The previous prime is 156420503. The next prime is 156420557. The reversal of 156420546 is 645024651.

It is a sphenic number, since it is the product of 3 distinct primes.

156420546 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13035040 + ... + 13035051.

It is an arithmetic number, because the mean of its divisors is an integer number (39105138).

Almost surely, 2^156420546 is an apocalyptic number.

156420546 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

156420546 is a wasteful number, since it uses less digits than its factorization.

156420546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26070096.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 156420546 is about 12506.8199795152. The cubic root of 156420546 is about 538.8045640370.

The spelling of 156420546 in words is "one hundred fifty-six million, four hundred twenty thousand, five hundred forty-six".