147623436 has 18 divisors (see below), whose sum is σ = 373159332. Its totient is φ = 49207800.

The previous prime is 147623431. The next prime is 147623449. The reversal of 147623436 is 634326741.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 4100651 = 147623436 / (1 + 4 + 7 + 6 + 2 + 3 + 4 + 3 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 147623436.

It is not an unprimeable number, because it can be changed into a prime (147623431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2050290 + ... + 2050361.

It is an arithmetic number, because the mean of its divisors is an integer number (20731074).

Almost surely, 2^147623436 is an apocalyptic number.

It is an amenable number.

147623436 is an abundant number, since it is smaller than the sum of its proper divisors (225535896).

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

147623436 is a wasteful number, since it uses less digits than its factorization.

147623436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4100661 (or 4100656 counting only the distinct ones).

The product of its digits is 72576, while the sum is 36.

The square root of 147623436 is about 12150.0385184575. The cubic root of 147623436 is about 528.5082485547.

The spelling of 147623436 in words is "one hundred forty-seven million, six hundred twenty-three thousand, four hundred thirty-six".