147062989 has 4 divisors (see below), whose sum is σ = 153457056. Its totient is φ = 140668924.

The previous prime is 147062959. The next prime is 147063011. The reversal of 147062989 is 989260741.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 147062989 - 2¹¹ = 147060941 is a prime.

It is a super-2 number, since 2×147062989² = 43255045467228242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147062959) 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, 3196999 + ... + 3197044.

It is an arithmetic number, because the mean of its divisors is an integer number (38364264).

Almost surely, 2^147062989 is an apocalyptic number.

It is an amenable number.

147062989 is a deficient number, since it is larger than the sum of its proper divisors (6394067).

147062989 is an equidigital number, since it uses as much as digits as its factorization.

147062989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6394066.

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 147062989 is about 12126.9529973526. The cubic root of 147062989 is about 527.8385796060.

The spelling of 147062989 in words is "one hundred forty-seven million, sixty-two thousand, nine hundred eighty-nine".