103154142 has 32 divisors (see below), whose sum is σ = 253919232. Its totient is φ = 27205344.

The previous prime is 103154141. The next prime is 103154153. The reversal of 103154142 is 241451301.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103154141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93918 + ... + 95009.

It is an arithmetic number, because the mean of its divisors is an integer number (7934976).

Almost surely, 2^103154142 is an apocalyptic number.

103154142 is an abundant number, since it is smaller than the sum of its proper divisors (150765090).

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

103154142 is a wasteful number, since it uses less digits than its factorization.

103154142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188952.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 103154142 is about 10156.4827573329. The cubic root of 103154142 is about 468.9885325353.

The spelling of 103154142 in words is "one hundred three million, one hundred fifty-four thousand, one hundred forty-two".