2251958154 has 16 divisors (see below), whose sum is σ = 4504750848. Its totient is φ = 750513632.

The previous prime is 2251958119. The next prime is 2251958207. The reversal of 2251958154 is 4518591522.

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, 3559 + ... + 67205.

It is an arithmetic number, because the mean of its divisors is an integer number (281546928).

Almost surely, 2^2251958154 is an apocalyptic number.

2251958154 is an abundant number, since it is smaller than the sum of its proper divisors (2252792694).

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

2251958154 is a wasteful number, since it uses less digits than its factorization.

2251958154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69549.

The product of its digits is 144000, while the sum is 42.

The square root of 2251958154 is about 47454.8011691125. The cubic root of 2251958154 is about 1310.7507213444.

The spelling of 2251958154 in words is "two billion, two hundred fifty-one million, nine hundred fifty-eight thousand, one hundred fifty-four".