142952147 has 4 divisors (see below), whose sum is σ = 153948480. Its totient is φ = 131955816.

The previous prime is 142952123. The next prime is 142952179. The reversal of 142952147 is 741259241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 142952147 - 2¹⁴ = 142935763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142952197) 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, 5498147 + ... + 5498172.

It is an arithmetic number, because the mean of its divisors is an integer number (38487120).

Almost surely, 2^142952147 is an apocalyptic number.

142952147 is a deficient number, since it is larger than the sum of its proper divisors (10996333).

142952147 is a wasteful number, since it uses less digits than its factorization.

142952147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10996332.

The product of its digits is 20160, while the sum is 35.

The square root of 142952147 is about 11956.2597412402. The cubic root of 142952147 is about 522.8738159631.

The spelling of 142952147 in words is "one hundred forty-two million, nine hundred fifty-two thousand, one hundred forty-seven".