142941672 has 40 divisors (see below), whose sum is σ = 400370850. Its totient is φ = 47647008.

The previous prime is 142941671. The next prime is 142941691. The reversal of 142941672 is 276149241.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 86601636 + 56340036 = 9306^2 + 7506^2 .

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

It is not an unprimeable number, because it can be changed into a prime (142941671) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 109647 + ... + 110942.

Almost surely, 2^142941672 is an apocalyptic number.

142941672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142941672 is an abundant number, since it is smaller than the sum of its proper divisors (257429178).

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

142941672 is a wasteful number, since it uses less digits than its factorization.

142941672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220607 (or 220594 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 142941672 is about 11955.8216781616. The cubic root of 142941672 is about 522.8610442370.

The spelling of 142941672 in words is "one hundred forty-two million, nine hundred forty-one thousand, six hundred seventy-two".