2151454508 has 36 divisors (see below), whose sum is σ = 4333233072. Its totient is φ = 915599040.

The previous prime is 2151454507. The next prime is 2151454517. The reversal of 2151454508 is 8054541512.

It is not an unprimeable number, because it can be changed into a prime (2151454507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 619898 + ... + 623358.

Almost surely, 2^2151454508 is an apocalyptic number.

2151454508 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2151454508 is an abundant number, since it is smaller than the sum of its proper divisors (2181778564).

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

2151454508 is a wasteful number, since it uses less digits than its factorization.

2151454508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3770 (or 3619 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 35.

The square root of 2151454508 is about 46383.7741888260. The cubic root of 2151454508 is about 1290.9538661482.

The spelling of 2151454508 in words is "two billion, one hundred fifty-one million, four hundred fifty-four thousand, five hundred eight".