151405073 has 4 divisors (see below), whose sum is σ = 155497140. Its totient is φ = 147313008.

The previous prime is 151405057. The next prime is 151405099. The reversal of 151405073 is 370504151.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 370504151 = 883 ⋅419597.

It can be written as a sum of positive squares in 2 ways, for example, as 58629649 + 92775424 = 7657^2 + 9632^2 .

It is a cyclic number.

It is not a de Polignac number, because 151405073 - 2⁴ = 151405057 is a prime.

It is a super-2 number, since 2×151405073² = 45846992260270658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151405003) 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, 2045978 + ... + 2046051.

It is an arithmetic number, because the mean of its divisors is an integer number (38874285).

Almost surely, 2^151405073 is an apocalyptic number.

It is an amenable number.

151405073 is a deficient number, since it is larger than the sum of its proper divisors (4092067).

151405073 is an equidigital number, since it uses as much as digits as its factorization.

151405073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4092066.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 151405073 is about 12304.6768750748. The cubic root of 151405073 is about 532.9831455938.

It can be divided in two parts, 151 and 405073, that added together give a cube (405224 = 74³).

The spelling of 151405073 in words is "one hundred fifty-one million, four hundred five thousand, seventy-three".