151663142 has 4 divisors (see below), whose sum is σ = 227494716. Its totient is φ = 75831570.

The previous prime is 151663133. The next prime is 151663147. The reversal of 151663142 is 241366151.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151663147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37915784 + ... + 37915787.

It is an arithmetic number, because the mean of its divisors is an integer number (56873679).

Almost surely, 2^151663142 is an apocalyptic number.

151663142 is a deficient number, since it is larger than the sum of its proper divisors (75831574).

151663142 is an equidigital number, since it uses as much as digits as its factorization.

151663142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75831573.

The product of its digits is 4320, while the sum is 29.

The square root of 151663142 is about 12315.1590326719. The cubic root of 151663142 is about 533.2857958498.

The spelling of 151663142 in words is "one hundred fifty-one million, six hundred sixty-three thousand, one hundred forty-two".