155132534 has 4 divisors (see below), whose sum is σ = 232698804. Its totient is φ = 77566266.

The previous prime is 155132533. The next prime is 155132567. The reversal of 155132534 is 435231551.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 435231551 = 719 ⋅605329.

It is a super-2 number, since 2×155132534² = 48132206210522312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 155132497 and 155132506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155132533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38783132 + ... + 38783135.

It is an arithmetic number, because the mean of its divisors is an integer number (58174701).

Almost surely, 2^155132534 is an apocalyptic number.

155132534 is a deficient number, since it is larger than the sum of its proper divisors (77566270).

155132534 is an equidigital number, since it uses as much as digits as its factorization.

155132534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77566269.

The product of its digits is 9000, while the sum is 29.

The square root of 155132534 is about 12455.2211541987. The cubic root of 155132534 is about 537.3215953072.

The spelling of 155132534 in words is "one hundred fifty-five million, one hundred thirty-two thousand, five hundred thirty-four".