151222534 has 4 divisors (see below), whose sum is σ = 226833804. Its totient is φ = 75611266.

The previous prime is 151222523. The next prime is 151222537. The reversal of 151222534 is 435222151.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 151222499 and 151222508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151222537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37805632 + ... + 37805635.

It is an arithmetic number, because the mean of its divisors is an integer number (56708451).

Almost surely, 2^151222534 is an apocalyptic number.

151222534 is a deficient number, since it is larger than the sum of its proper divisors (75611270).

151222534 is an equidigital number, since it uses as much as digits as its factorization.

151222534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75611269.

The product of its digits is 2400, while the sum is 25.

The square root of 151222534 is about 12297.2571738579. The cubic root of 151222534 is about 532.7688653774.

Adding to 151222534 its reverse (435222151), we get a palindrome (586444685).

The spelling of 151222534 in words is "one hundred fifty-one million, two hundred twenty-two thousand, five hundred thirty-four".