147642969 has 8 divisors (see below), whose sum is σ = 197642592. Its totient is φ = 98036000.

The previous prime is 147642949. The next prime is 147642991. The reversal of 147642969 is 969246741.

It is a happy number.

147642969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 147642969 - 2¹³ = 147634777 is a prime.

It is a super-2 number, since 2×147642969² = 43596892590269922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (147642949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97284 + ... + 98789.

It is an arithmetic number, because the mean of its divisors is an integer number (24705324).

Almost surely, 2^147642969 is an apocalyptic number.

It is an amenable number.

147642969 is a deficient number, since it is larger than the sum of its proper divisors (49999623).

147642969 is a wasteful number, since it uses less digits than its factorization.

147642969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196327.

The product of its digits is 653184, while the sum is 48.

The square root of 147642969 is about 12150.8423164816. The cubic root of 147642969 is about 528.5315576277.

The spelling of 147642969 in words is "one hundred forty-seven million, six hundred forty-two thousand, nine hundred sixty-nine".