155002541 has 2 divisors, whose sum is σ = 155002542. Its totient is φ = 155002540.

The previous prime is 155002501. The next prime is 155002571. The reversal of 155002541 is 145200551.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106296100 + 48706441 = 10310^2 + 6979^2 .

It is a cyclic number.

It is not a de Polignac number, because 155002541 - 2¹⁴ = 154986157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (155002501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77501270 + 77501271.

It is an arithmetic number, because the mean of its divisors is an integer number (77501271).

Almost surely, 2^155002541 is an apocalyptic number.

It is an amenable number.

155002541 is a deficient number, since it is larger than the sum of its proper divisors (1).

155002541 is an equidigital number, since it uses as much as digits as its factorization.

155002541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 155002541 is about 12450.0016465862. The cubic root of 155002541 is about 537.1714708446.

The spelling of 155002541 in words is "one hundred fifty-five million, two thousand, five hundred forty-one".