155452715 has 8 divisors (see below), whose sum is σ = 203501808. Its totient is φ = 113056480.

The previous prime is 155452711. The next prime is 155452723. The reversal of 155452715 is 517254551.

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

It is not a de Polignac number, because 155452715 - 2² = 155452711 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155452711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1413152 + ... + 1413261.

It is an arithmetic number, because the mean of its divisors is an integer number (25437726).

Almost surely, 2^155452715 is an apocalyptic number.

155452715 is a deficient number, since it is larger than the sum of its proper divisors (48049093).

155452715 is a wasteful number, since it uses less digits than its factorization.

155452715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2826429.

The product of its digits is 35000, while the sum is 35.

The square root of 155452715 is about 12468.0678134184. The cubic root of 155452715 is about 537.6910040482.

The spelling of 155452715 in words is "one hundred fifty-five million, four hundred fifty-two thousand, seven hundred fifteen".