151947141 has 4 divisors (see below), whose sum is σ = 202596192. Its totient is φ = 101298092.

The previous prime is 151947101. The next prime is 151947143. The reversal of 151947141 is 141749151.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 141749151 = 3 ⋅47249717.

It is a cyclic number.

It is not a de Polignac number, because 151947141 - 2⁶ = 151947077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151947143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25324521 + ... + 25324526.

It is an arithmetic number, because the mean of its divisors is an integer number (50649048).

Almost surely, 2^151947141 is an apocalyptic number.

It is an amenable number.

151947141 is a deficient number, since it is larger than the sum of its proper divisors (50649051).

151947141 is an equidigital number, since it uses as much as digits as its factorization.

151947141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50649050.

The product of its digits is 5040, while the sum is 33.

The square root of 151947141 is about 12326.6841040079. The cubic root of 151947141 is about 533.6184589566.

The spelling of 151947141 in words is "one hundred fifty-one million, nine hundred forty-seven thousand, one hundred forty-one".