155848454 has 8 divisors (see below), whose sum is σ = 236087568. Its totient is φ = 77152600.

The previous prime is 155848447. The next prime is 155848481. The reversal of 155848454 is 454848551.

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

It is a super-2 number, since 2×155848454² = 48577481228380232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 385562 + ... + 385965.

It is an arithmetic number, because the mean of its divisors is an integer number (29510946).

Almost surely, 2^155848454 is an apocalyptic number.

155848454 is a deficient number, since it is larger than the sum of its proper divisors (80239114).

155848454 is a wasteful number, since it uses less digits than its factorization.

155848454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771630.

The product of its digits is 512000, while the sum is 44.

The square root of 155848454 is about 12483.9278274107. The cubic root of 155848454 is about 538.1468875652.

The spelling of 155848454 in words is "one hundred fifty-five million, eight hundred forty-eight thousand, four hundred fifty-four".