151206542 has 4 divisors (see below), whose sum is σ = 226809816. Its totient is φ = 75603270.

The previous prime is 151206529. The next prime is 151206547. The reversal of 151206542 is 245602151.

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 (151206547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37801634 + ... + 37801637.

It is an arithmetic number, because the mean of its divisors is an integer number (56702454).

Almost surely, 2^151206542 is an apocalyptic number.

151206542 is a deficient number, since it is larger than the sum of its proper divisors (75603274).

151206542 is an equidigital number, since it uses as much as digits as its factorization.

151206542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75603273.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 151206542 is about 12296.6069303690. The cubic root of 151206542 is about 532.7500843580.

Adding to 151206542 its reverse (245602151), we get a palindrome (396808693).

The spelling of 151206542 in words is "one hundred fifty-one million, two hundred six thousand, five hundred forty-two".