155040607 has 2 divisors, whose sum is σ = 155040608. Its totient is φ = 155040606.

The previous prime is 155040577. The next prime is 155040617. The reversal of 155040607 is 706040551.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-155040607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (155040617) by changing a digit.

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, 77520303 + 77520304.

It is an arithmetic number, because the mean of its divisors is an integer number (77520304).

Almost surely, 2^155040607 is an apocalyptic number.

155040607 is a deficient number, since it is larger than the sum of its proper divisors (1).

155040607 is an equidigital number, since it uses as much as digits as its factorization.

155040607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 155040607 is about 12451.5303075566. The cubic root of 155040607 is about 537.2154406518.

The spelling of 155040607 in words is "one hundred fifty-five million, forty thousand, six hundred seven".