2150154 has 24 divisors (see below), whose sum is σ = 4904640. Its totient is φ = 678888.

The previous prime is 2150149. The next prime is 2150171. The reversal of 2150154 is 4510512.

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2802 + ... + 3485.

It is an arithmetic number, because the mean of its divisors is an integer number (204360).

2^2150154 is an apocalyptic number.

2150154 is an abundant number, since it is smaller than the sum of its proper divisors (2754486).

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

2150154 is a wasteful number, since it uses less digits than its factorization.

2150154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6314 (or 6311 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 2150154 is about 1466.3403424853. The cubic root of 2150154 is about 129.0693695765.

Adding to 2150154 its reverse (4510512), we get a palindrome (6660666).

It can be divided in two parts, 2150 and 154, that added together give a square (2304 = 48²).

The spelling of 2150154 in words is "two million, one hundred fifty thousand, one hundred fifty-four".