901923142 has 16 divisors (see below), whose sum is σ = 1401141600. Its totient is φ = 434911680.

The previous prime is 901923109. The next prime is 901923149. The reversal of 901923142 is 241329109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (901923149) 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, 44842 + ... + 61762.

It is an arithmetic number, because the mean of its divisors is an integer number (87571350).

Almost surely, 2^901923142 is an apocalyptic number.

901923142 is a deficient number, since it is larger than the sum of its proper divisors (499218458).

901923142 is a wasteful number, since it uses less digits than its factorization.

901923142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17871.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 901923142 is about 30032.0352623661. The cubic root of 901923142 is about 966.1765891320.

The spelling of 901923142 in words is "nine hundred one million, nine hundred twenty-three thousand, one hundred forty-two".