155340460201 has 4 divisors (see below), whose sum is σ = 155344114692. Its totient is φ = 155336805712.

The previous prime is 155340460199. The next prime is 155340460273. The reversal of 155340460201 is 102064043551.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 95951257600 + 59389202601 = 309760^2 + 243699^2 .

It is a cyclic number.

It is not a de Polignac number, because 155340460201 - 2¹ = 155340460199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155340460291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1762726 + ... + 1848751.

It is an arithmetic number, because the mean of its divisors is an integer number (38836028673).

Almost surely, 2^155340460201 is an apocalyptic number.

It is an amenable number.

155340460201 is a deficient number, since it is larger than the sum of its proper divisors (3654491).

155340460201 is an equidigital number, since it uses as much as digits as its factorization.

155340460201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3654490.

The product of its (nonzero) digits is 14400, while the sum is 31.

The spelling of 155340460201 in words is "one hundred fifty-five billion, three hundred forty million, four hundred sixty thousand, two hundred one".