155470748545 has 8 divisors (see below), whose sum is σ = 213217026624. Its totient is φ = 106608513264.

The previous prime is 155470748539. The next prime is 155470748581. The reversal of 155470748545 is 545847074551.

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 155470748545 - 2¹³ = 155470740353 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2221010659 + ... + 2221010728.

It is an arithmetic number, because the mean of its divisors is an integer number (26652128328).

Almost surely, 2^155470748545 is an apocalyptic number.

It is an amenable number.

155470748545 is a deficient number, since it is larger than the sum of its proper divisors (57746278079).

155470748545 is an equidigital number, since it uses as much as digits as its factorization.

155470748545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4442021399.

The product of its (nonzero) digits is 15680000, while the sum is 55.

The spelling of 155470748545 in words is "one hundred fifty-five billion, four hundred seventy million, seven hundred forty-eight thousand, five hundred forty-five".