154226664 has 24 divisors (see below), whose sum is σ = 417697410. Its totient is φ = 51408864.

The previous prime is 154226663. The next prime is 154226687. The reversal of 154226664 is 466622451.

154226664 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 98604900 + 55621764 = 9930^2 + 7458^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (154226663) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1070947 + ... + 1071090.

Almost surely, 2^154226664 is an apocalyptic number.

It is an amenable number.

154226664 is an abundant number, since it is smaller than the sum of its proper divisors (263470746).

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

154226664 is a wasteful number, since it uses less digits than its factorization.

154226664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2142049 (or 2142042 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 154226664 is about 12418.8028408539. The cubic root of 154226664 is about 536.2736869906.

The spelling of 154226664 in words is "one hundred fifty-four million, two hundred twenty-six thousand, six hundred sixty-four".