201488154 has 32 divisors (see below), whose sum is σ = 470347776. Its totient is φ = 56342640.

The previous prime is 201488117. The next prime is 201488191. The reversal of 201488154 is 451884102.

It is an interprime number because it is at equal distance from previous prime (201488117) and next prime (201488191).

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, 49062 + ... + 53009.

It is an arithmetic number, because the mean of its divisors is an integer number (14698368).

Almost surely, 2^201488154 is an apocalyptic number.

201488154 is an abundant number, since it is smaller than the sum of its proper divisors (268859622).

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

201488154 is a wasteful number, since it uses less digits than its factorization.

201488154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102130.

The product of its (nonzero) digits is 10240, while the sum is 33.

The square root of 201488154 is about 14194.6523028921. The cubic root of 201488154 is about 586.2504278180.

The spelling of 201488154 in words is "two hundred one million, four hundred eighty-eight thousand, one hundred fifty-four".