155279041 has 2 divisors, whose sum is σ = 155279042. Its totient is φ = 155279040.

The previous prime is 155278979. The next prime is 155279053. The reversal of 155279041 is 140972551.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88284816 + 66994225 = 9396^2 + 8185^2 .

It is a cyclic number.

It is not a de Polignac number, because 155279041 - 2⁷ = 155278913 is a prime.

It is a super-2 number, since 2×155279041² = 48223161147759362, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 155278988 and 155279006.

It is not a weakly prime, because it can be changed into another prime (155279081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77639520 + 77639521.

It is an arithmetic number, because the mean of its divisors is an integer number (77639521).

Almost surely, 2^155279041 is an apocalyptic number.

It is an amenable number.

155279041 is a deficient number, since it is larger than the sum of its proper divisors (1).

155279041 is an equidigital number, since it uses as much as digits as its factorization.

155279041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12600, while the sum is 34.

The square root of 155279041 is about 12461.1011150700. The cubic root of 155279041 is about 537.4906907347.

The spelling of 155279041 in words is "one hundred fifty-five million, two hundred seventy-nine thousand, forty-one".