149894870 has 32 divisors (see below), whose sum is σ = 273948480. Its totient is φ = 59045760.

The previous prime is 149894867. The next prime is 149894903. The reversal of 149894870 is 78498941.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 276800 + ... + 277340.

It is an arithmetic number, because the mean of its divisors is an integer number (8560890).

Almost surely, 2^149894870 is an apocalyptic number.

149894870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

149894870 is a deficient number, since it is larger than the sum of its proper divisors (124053610).

149894870 is a wasteful number, since it uses less digits than its factorization.

149894870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920.

The product of its (nonzero) digits is 580608, while the sum is 50.

The square root of 149894870 is about 12243.1560473597. The cubic root of 149894870 is about 531.2051252522.

The spelling of 149894870 in words is "one hundred forty-nine million, eight hundred ninety-four thousand, eight hundred seventy".