147831142 has 16 divisors (see below), whose sum is σ = 224061552. Its totient is φ = 73147360.

The previous prime is 147831113. The next prime is 147831149. The reversal of 147831142 is 241138741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147831149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145428 + ... + 146440.

It is an arithmetic number, because the mean of its divisors is an integer number (14003847).

Almost surely, 2^147831142 is an apocalyptic number.

147831142 is a deficient number, since it is larger than the sum of its proper divisors (76230410).

147831142 is a wasteful number, since it uses less digits than its factorization.

147831142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1703.

The product of its digits is 5376, while the sum is 31.

The square root of 147831142 is about 12158.5830588930. The cubic root of 147831142 is about 528.7560025549.

Adding to 147831142 its reverse (241138741), we get a palindrome (388969883).

The spelling of 147831142 in words is "one hundred forty-seven million, eight hundred thirty-one thousand, one hundred forty-two".