151145842 has 4 divisors (see below), whose sum is σ = 226718766. Its totient is φ = 75572920.

The previous prime is 151145833. The next prime is 151145899. The reversal of 151145842 is 248541151.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 248541151 = 23 ⋅10806137.

It can be written as a sum of positive squares in only one way, i.e., 150087001 + 1058841 = 12251^2 + 1029^2 .

It is an unprimeable number.

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, 37786459 + ... + 37786462.

Almost surely, 2^151145842 is an apocalyptic number.

151145842 is a deficient number, since it is larger than the sum of its proper divisors (75572924).

151145842 is an equidigital number, since it uses as much as digits as its factorization.

151145842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75572923.

The product of its digits is 6400, while the sum is 31.

The square root of 151145842 is about 12294.1385220763. The cubic root of 151145842 is about 532.6787861679.

Adding to 151145842 its reverse (248541151), we get a palindrome (399686993).

The spelling of 151145842 in words is "one hundred fifty-one million, one hundred forty-five thousand, eight hundred forty-two".