4156455 has 8 divisors (see below), whose sum is σ = 6650352. Its totient is φ = 2216768.

The previous prime is 4156447. The next prime is 4156507. The reversal of 4156455 is 5546514.

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 4156455 - 2³ = 4156447 is a prime.

It is a super-2 number, since 2×4156455² = 34552236334050, which contains 22 as substring.

4156455 is a lucky number.

It is a congruent 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, 138534 + ... + 138563.

It is an arithmetic number, because the mean of its divisors is an integer number (831294).

Almost surely, 2^4156455 is an apocalyptic number.

4156455 is a deficient number, since it is larger than the sum of its proper divisors (2493897).

4156455 is a wasteful number, since it uses less digits than its factorization.

4156455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277105.

The product of its digits is 12000, while the sum is 30.

The square root of 4156455 is about 2038.7385805934. The cubic root of 4156455 is about 160.7833331529.

The spelling of 4156455 in words is "four million, one hundred fifty-six thousand, four hundred fifty-five".