238122151042 has 8 divisors (see below), whose sum is σ = 357332495436. Its totient is φ = 119011319232.

The previous prime is 238122151027. The next prime is 238122151123. The reversal of 238122151042 is 240151221832.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 151102460961 + 87019690081 = 388719^2 + 294991^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 238122150995 and 238122151013.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24872163 + ... + 24881734.

Almost surely, 2^238122151042 is an apocalyptic number.

238122151042 is a deficient number, since it is larger than the sum of its proper divisors (119210344394).

238122151042 is a wasteful number, since it uses less digits than its factorization.

238122151042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49756292.

The product of its (nonzero) digits is 7680, while the sum is 31.

Adding to 238122151042 its reverse (240151221832), we get a palindrome (478273372874).

The spelling of 238122151042 in words is "two hundred thirty-eight billion, one hundred twenty-two million, one hundred fifty-one thousand, forty-two".