147857854 has 4 divisors (see below), whose sum is σ = 221786784. Its totient is φ = 73928926.

The previous prime is 147857837. The next prime is 147857861. The reversal of 147857854 is 458758741.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 458758741 = 7 ⋅65536963.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 147857798 and 147857807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36964462 + ... + 36964465.

It is an arithmetic number, because the mean of its divisors is an integer number (55446696).

Almost surely, 2^147857854 is an apocalyptic number.

147857854 is a deficient number, since it is larger than the sum of its proper divisors (73928930).

147857854 is an equidigital number, since it uses as much as digits as its factorization.

147857854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73928929.

The product of its digits is 1254400, while the sum is 49.

The square root of 147857854 is about 12159.6814925392. The cubic root of 147857854 is about 528.7878480770.

The spelling of 147857854 in words is "one hundred forty-seven million, eight hundred fifty-seven thousand, eight hundred fifty-four".