149943057 has 8 divisors (see below), whose sum is σ = 218099040. Its totient is φ = 90874560.

The previous prime is 149943047. The next prime is 149943083. The reversal of 149943057 is 750349941.

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

It is not a de Polignac number, because 149943057 - 2¹⁰ = 149942033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (149943047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2271832 + ... + 2271897.

It is an arithmetic number, because the mean of its divisors is an integer number (27262380).

Almost surely, 2^149943057 is an apocalyptic number.

It is an amenable number.

149943057 is a deficient number, since it is larger than the sum of its proper divisors (68155983).

149943057 is a wasteful number, since it uses less digits than its factorization.

149943057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4543743.

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 149943057 is about 12245.1238050091. The cubic root of 149943057 is about 531.2620416740.

The spelling of 149943057 in words is "one hundred forty-nine million, nine hundred forty-three thousand, fifty-seven".