154031142 has 8 divisors (see below), whose sum is σ = 308062296. Its totient is φ = 51343712.

The previous prime is 154031107. The next prime is 154031149. The reversal of 154031142 is 241130451.

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

154031142 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154031149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12835923 + ... + 12835934.

It is an arithmetic number, because the mean of its divisors is an integer number (38507787).

Almost surely, 2^154031142 is an apocalyptic number.

154031142 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.

154031142 is a wasteful number, since it uses less digits than its factorization.

154031142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25671862.

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

The square root of 154031142 is about 12410.9283295006. The cubic root of 154031142 is about 536.0469695047.

Adding to 154031142 its reverse (241130451), we get a palindrome (395161593).

The spelling of 154031142 in words is "one hundred fifty-four million, thirty-one thousand, one hundred forty-two".