155452015027429 has 4 divisors (see below), whose sum is σ = 156878180303020. Its totient is φ = 154025849751840.

The previous prime is 155452015027409. The next prime is 155452015027457. The reversal of 155452015027429 is 924720510254551.

155452015027429 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.

It can be written as a sum of positive squares in 2 ways, for example, as 132424512532225 + 23027502495204 = 11507585^2 + 4798698^2 .

It is a cyclic number.

It is not a de Polignac number, because 155452015027429 - 2¹³ = 155452015019237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155452015027409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 713082637632 + ... + 713082637849.

It is an arithmetic number, because the mean of its divisors is an integer number (39219545075755).

Almost surely, 2^{155452015027429} is an apocalyptic number.

It is an amenable number.

155452015027429 is a deficient number, since it is larger than the sum of its proper divisors (1426165275591).

155452015027429 is a wasteful number, since it uses less digits than its factorization.

155452015027429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1426165275590.

The product of its (nonzero) digits is 5040000, while the sum is 52.

The spelling of 155452015027429 in words is "one hundred fifty-five trillion, four hundred fifty-two billion, fifteen million, twenty-seven thousand, four hundred twenty-nine".