147154642 has 16 divisors (see below), whose sum is σ = 229181400. Its totient is φ = 70779520.

The previous prime is 147154633. The next prime is 147154649. The reversal of 147154642 is 246451741.

It can be written as a sum of positive squares in 4 ways, for example, as 146192281 + 962361 = 12091^2 + 981^2 .

It is a junction number, because it is equal to n+sod(n) for n = 147154598 and 147154607.

It is not an unprimeable number, because it can be changed into a prime (147154649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11784 + ... + 20812.

Almost surely, 2^147154642 is an apocalyptic number.

147154642 is a deficient number, since it is larger than the sum of its proper divisors (82026758).

147154642 is a wasteful number, since it uses less digits than its factorization.

147154642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9341.

The product of its digits is 26880, while the sum is 34.

The square root of 147154642 is about 12130.7313052429. The cubic root of 147154642 is about 527.9482105042.

The spelling of 147154642 in words is "one hundred forty-seven million, one hundred fifty-four thousand, six hundred forty-two".