142474620 has 48 divisors (see below), whose sum is σ = 422398368. Its totient is φ = 35758080.

The previous prime is 142474613. The next prime is 142474643. The reversal of 142474620 is 26474241.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68821 + ... + 70860.

It is an arithmetic number, because the mean of its divisors is an integer number (8799966).

Almost surely, 2^142474620 is an apocalyptic number.

142474620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142474620 is an abundant number, since it is smaller than the sum of its proper divisors (279923748).

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

142474620 is a wasteful number, since it uses less digits than its factorization.

142474620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139710 (or 139708 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 142474620 is about 11936.2732877561. The cubic root of 142474620 is about 522.2909521397.

The spelling of 142474620 in words is "one hundred forty-two million, four hundred seventy-four thousand, six hundred twenty".