142055004 has 48 divisors (see below), whose sum is σ = 407955968. Its totient is φ = 37464768.

The previous prime is 142055003. The next prime is 142055027. The reversal of 142055004 is 400550241.

It is a super-2 number, since 2×142055004² = 40359248322880032, which contains 22 as substring.

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 (142055003) 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, 63952 + ... + 66135.

Almost surely, 2^142055004 is an apocalyptic number.

142055004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

142055004 is an abundant number, since it is smaller than the sum of its proper divisors (265900964).

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

142055004 is a wasteful number, since it uses less digits than its factorization.

142055004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130114 (or 130112 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 142055004 is about 11918.6829809338. The cubic root of 142055004 is about 521.7776978000. Note that the first 3 decimals are identical.

The spelling of 142055004 in words is "one hundred forty-two million, fifty-five thousand, four".