47145106 has 4 divisors (see below), whose sum is σ = 70717662. Its totient is φ = 23572552.

The previous prime is 47145053. The next prime is 47145127. The reversal of 47145106 is 60154174.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 47045881 + 99225 = 6859^2 + 315^2 .

It is a super-2 number, since 2×47145106² = 4445322039502472, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11786275 + ... + 11786278.

Almost surely, 2^47145106 is an apocalyptic number.

47145106 is a deficient number, since it is larger than the sum of its proper divisors (23572556).

47145106 is a wasteful number, since it uses less digits than its factorization.

47145106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23572555.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 47145106 is about 6866.2293873712. The cubic root of 47145106 is about 361.2536181755.

The spelling of 47145106 in words is "forty-seven million, one hundred forty-five thousand, one hundred six".