47154545 has 8 divisors (see below), whose sum is σ = 56643624. Its totient is φ = 37684864.

The previous prime is 47154529. The next prime is 47154553. The reversal of 47154545 is 54545174.

It can be written as a sum of positive squares in 4 ways, for example, as 4631104 + 42523441 = 2152^2 + 6521^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 47154545 - 2⁴ = 47154529 is a prime.

It is a super-2 number, since 2×47154545² = 4447102228314050, which contains 22 as substring.

It is a Duffinian 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, 1187 + ... + 9783.

It is an arithmetic number, because the mean of its divisors is an integer number (7080453).

Almost surely, 2^47154545 is an apocalyptic number.

It is an amenable number.

47154545 is a deficient number, since it is larger than the sum of its proper divisors (9489079).

47154545 is a wasteful number, since it uses less digits than its factorization.

47154545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9699.

The product of its digits is 56000, while the sum is 35.

The square root of 47154545 is about 6866.9167025675. The cubic root of 47154545 is about 361.2777256291.

The spelling of 47154545 in words is "forty-seven million, one hundred fifty-four thousand, five hundred forty-five".