154401022 has 16 divisors (see below), whose sum is σ = 233970192. Its totient is φ = 76415040.

The previous prime is 154400989. The next prime is 154401041. The reversal of 154401022 is 220104451.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97497 + ... + 99067.

It is an arithmetic number, because the mean of its divisors is an integer number (14623137).

Almost surely, 2^154401022 is an apocalyptic number.

154401022 is a deficient number, since it is larger than the sum of its proper divisors (79569170).

154401022 is a wasteful number, since it uses less digits than its factorization.

154401022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2043.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 154401022 is about 12425.8207777193. The cubic root of 154401022 is about 536.4757021955.

Adding to 154401022 its reverse (220104451), we get a palindrome (374505473).

The spelling of 154401022 in words is "one hundred fifty-four million, four hundred one thousand, twenty-two".