155340003001 has 4 divisors (see below), whose sum is σ = 159128783604. Its totient is φ = 151551222400.

The previous prime is 155340002999. The next prime is 155340003037. The reversal of 155340003001 is 100300043551.

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 12171605625 + 143168397376 = 110325^2 + 378376^2 .

It is a cyclic number.

It is not a de Polignac number, because 155340003001 - 2¹ = 155340002999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (155340003101) 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, 1894390240 + ... + 1894390321.

It is an arithmetic number, because the mean of its divisors is an integer number (39782195901).

Almost surely, 2^155340003001 is an apocalyptic number.

It is an amenable number.

155340003001 is a deficient number, since it is larger than the sum of its proper divisors (3788780603).

155340003001 is an equidigital number, since it uses as much as digits as its factorization.

155340003001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3788780602.

The product of its (nonzero) digits is 900, while the sum is 22.

Adding to 155340003001 its reverse (100300043551), we get a palindrome (255640046552).

The spelling of 155340003001 in words is "one hundred fifty-five billion, three hundred forty million, three thousand, one".