155455046 has 4 divisors (see below), whose sum is σ = 233182572. Its totient is φ = 77727522.

The previous prime is 155455031. The next prime is 155455073. The reversal of 155455046 is 640554551.

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

It is a junction number, because it is equal to n+sod(n) for n = 155454997 and 155455015.

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, 38863760 + ... + 38863763.

It is an arithmetic number, because the mean of its divisors is an integer number (58295643).

Almost surely, 2^155455046 is an apocalyptic number.

155455046 is a deficient number, since it is larger than the sum of its proper divisors (77727526).

155455046 is an equidigital number, since it uses as much as digits as its factorization.

155455046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77727525.

The product of its (nonzero) digits is 60000, while the sum is 35.

The square root of 155455046 is about 12468.1612918666. The cubic root of 155455046 is about 537.6936915781.

The spelling of 155455046 in words is "one hundred fifty-five million, four hundred fifty-five thousand, forty-six".