151342420 has 12 divisors (see below), whose sum is σ = 317819124. Its totient is φ = 60536960.

The previous prime is 151342363. The next prime is 151342423. The reversal of 151342420 is 24243151.

It can be written as a sum of positive squares in 2 ways, for example, as 92083216 + 59259204 = 9596^2 + 7698^2 .

It is a junction number, because it is equal to n+sod(n) for n = 151342391 and 151342400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151342423) 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 in 3 ways as a sum of consecutive naturals, for example, 3783541 + ... + 3783580.

It is an arithmetic number, because the mean of its divisors is an integer number (26484927).

Almost surely, 2^151342420 is an apocalyptic number.

151342420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151342420 is an abundant number, since it is smaller than the sum of its proper divisors (166476704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

151342420 is a wasteful number, since it uses less digits than its factorization.

151342420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7567130 (or 7567128 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 151342420 is about 12302.1307097592. The cubic root of 151342420 is about 532.9096174538.

Adding to 151342420 its reverse (24243151), we get a palindrome (175585571).

The spelling of 151342420 in words is "one hundred fifty-one million, three hundred forty-two thousand, four hundred twenty".