155472859 has 2 divisors, whose sum is σ = 155472860. Its totient is φ = 155472858.

The previous prime is 155472829. The next prime is 155472881. The reversal of 155472859 is 958274551.

155472859 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 155472859 - 2¹³ = 155464667 is a prime.

It is not a weakly prime, because it can be changed into another prime (155472809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77736429 + 77736430.

It is an arithmetic number, because the mean of its divisors is an integer number (77736430).

Almost surely, 2^155472859 is an apocalyptic number.

155472859 is a deficient number, since it is larger than the sum of its proper divisors (1).

155472859 is an equidigital number, since it uses as much as digits as its factorization.

155472859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 504000, while the sum is 46.

The square root of 155472859 is about 12468.8756108961. The cubic root of 155472859 is about 537.7142282159.

The spelling of 155472859 in words is "one hundred fifty-five million, four hundred seventy-two thousand, eight hundred fifty-nine".