542151445 has 16 divisors (see below), whose sum is σ = 710435520. Its totient is φ = 393897600.

The previous prime is 542151409. The next prime is 542151481. The reversal of 542151445 is 544151245.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (542151409) and next prime (542151481).

It is not a de Polignac number, because 542151445 - 2¹³ = 542143253 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57730 + ... + 66460.

It is an arithmetic number, because the mean of its divisors is an integer number (44402220).

Almost surely, 2^542151445 is an apocalyptic number.

542151445 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

542151445 is a deficient number, since it is larger than the sum of its proper divisors (168284075).

542151445 is a wasteful number, since it uses less digits than its factorization.

542151445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9876.

The product of its digits is 16000, while the sum is 31.

The square root of 542151445 is about 23284.1457863500. The cubic root of 542151445 is about 815.4053186099.

The spelling of 542151445 in words is "five hundred forty-two million, one hundred fifty-one thousand, four hundred forty-five".