147242634 has 64 divisors (see below), whose sum is σ = 375017472. Its totient is φ = 37425600.

The previous prime is 147242633. The next prime is 147242659. The reversal of 147242634 is 436242741.

147242634 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 147242595 and 147242604.

It is not an unprimeable number, because it can be changed into a prime (147242633) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18324 + ... + 25104.

It is an arithmetic number, because the mean of its divisors is an integer number (5859648).

Almost surely, 2^147242634 is an apocalyptic number.

147242634 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 147242634, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187508736).

147242634 is an abundant number, since it is smaller than the sum of its proper divisors (227774838).

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

147242634 is a wasteful number, since it uses less digits than its factorization.

147242634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6851.

The product of its digits is 32256, while the sum is 33.

The square root of 147242634 is about 12134.3575849733. The cubic root of 147242634 is about 528.0534194689.

The spelling of 147242634 in words is "one hundred forty-seven million, two hundred forty-two thousand, six hundred thirty-four".