155055165603154 has 8 divisors (see below), whose sum is σ = 238255498365948. Its totient is φ = 75636666147840.

The previous prime is 155055165603139. The next prime is 155055165603167. The reversal of 155055165603154 is 451306561550551.

It can be written as a sum of positive squares in 2 ways, for example, as 142407348237025 + 12647817366129 = 11933455^2 + 3556377^2 .

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

It is a super-2 number, since 2×155055165603154² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 945458326767 + ... + 945458326930.

Almost surely, 2^{155055165603154} is an apocalyptic number.

155055165603154 is a deficient number, since it is larger than the sum of its proper divisors (83200332762794).

155055165603154 is a wasteful number, since it uses less digits than its factorization.

155055165603154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1890916653740.

The product of its (nonzero) digits is 6750000, while the sum is 52.

The spelling of 155055165603154 in words is "one hundred fifty-five trillion, fifty-five billion, one hundred sixty-five million, six hundred three thousand, one hundred fifty-four".