155240014 has 4 divisors (see below), whose sum is σ = 232860024. Its totient is φ = 77620006.

The previous prime is 155240011. The next prime is 155240017. The reversal of 155240014 is 410042551.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 410042551 = 23 ⋅17827937.

It is an interprime number because it is at equal distance from previous prime (155240011) and next prime (155240017).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155240011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38810002 + ... + 38810005.

It is an arithmetic number, because the mean of its divisors is an integer number (58215006).

Almost surely, 2^155240014 is an apocalyptic number.

155240014 is a deficient number, since it is larger than the sum of its proper divisors (77620010).

155240014 is an equidigital number, since it uses as much as digits as its factorization.

155240014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77620009.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 155240014 is about 12459.5350635567. The cubic root of 155240014 is about 537.4456569541.

Adding to 155240014 its reverse (410042551), we get a palindrome (565282565).

The spelling of 155240014 in words is "one hundred fifty-five million, two hundred forty thousand, fourteen".