154040022 has 32 divisors (see below), whose sum is σ = 343323360. Its totient is φ = 51194880.

The previous prime is 154040017. The next prime is 154040057. The reversal of 154040022 is 220040451.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 154039977 and 154040004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15022 + ... + 23102.

It is an arithmetic number, because the mean of its divisors is an integer number (10728855).

Almost surely, 2^154040022 is an apocalyptic number.

154040022 is an abundant number, since it is smaller than the sum of its proper divisors (189283338).

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

154040022 is a wasteful number, since it uses less digits than its factorization.

154040022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8445 (or 8439 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 154040022 is about 12411.2860735703. The cubic root of 154040022 is about 536.0572704641.

Adding to 154040022 its reverse (220040451), we get a palindrome (374080473).

The spelling of 154040022 in words is "one hundred fifty-four million, forty thousand, twenty-two".