142947504 has 150 divisors (see below), whose sum is σ = 481493364. Its totient is φ = 40824000.

The previous prime is 142947451. The next prime is 142947521. The reversal of 142947504 is 405749241.

It is a happy number.

142947504 is a `hidden beast` number, since 142 + 9 + 4 + 7 + 504 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 62379 + ... + 64629.

Almost surely, 2^142947504 is an apocalyptic number.

142947504 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142947504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240746682).

142947504 is an abundant number, since it is smaller than the sum of its proper divisors (338545860).

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

142947504 is a wasteful number, since it uses less digits than its factorization.

142947504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2285 (or 2263 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 142947504 is about 11956.0655735907. The cubic root of 142947504 is about 522.8681550259.

The spelling of 142947504 in words is "one hundred forty-two million, nine hundred forty-seven thousand, five hundred four".