155440312414 has 4 divisors (see below), whose sum is σ = 233160468624. Its totient is φ = 77720156206.

The previous prime is 155440312369. The next prime is 155440312429. The reversal of 155440312414 is 414213044551.

It is a happy number.

155440312414 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 414213044551 = 647 ⋅640205633.

It is a self number, because there is not a number n which added to its sum of digits gives 155440312414.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38860078102 + ... + 38860078105.

It is an arithmetic number, because the mean of its divisors is an integer number (58290117156).

Almost surely, 2^155440312414 is an apocalyptic number.

155440312414 is a deficient number, since it is larger than the sum of its proper divisors (77720156210).

155440312414 is an equidigital number, since it uses as much as digits as its factorization.

155440312414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77720156209.

The product of its (nonzero) digits is 38400, while the sum is 34.

Adding to 155440312414 its reverse (414213044551), we get a palindrome (569653356965).

The spelling of 155440312414 in words is "one hundred fifty-five billion, four hundred forty million, three hundred twelve thousand, four hundred fourteen".