145929887 has 8 divisors (see below), whose sum is σ = 158690736. Its totient is φ = 133633152.

The previous prime is 145929863. The next prime is 145929911. The reversal of 145929887 is 788929541.

It is an interprime number because it is at equal distance from previous prime (145929863) and next prime (145929911).

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

It is a cyclic number.

It is not a de Polignac number, because 145929887 - 2¹⁶ = 145864351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145925887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115373 + ... + 116630.

It is an arithmetic number, because the mean of its divisors is an integer number (19836342).

Almost surely, 2^145929887 is an apocalyptic number.

145929887 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

145929887 is a deficient number, since it is larger than the sum of its proper divisors (12760849).

145929887 is a wasteful number, since it uses less digits than its factorization.

145929887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232057.

The product of its digits is 1451520, while the sum is 53.

The square root of 145929887 is about 12080.1443286080. The cubic root of 145929887 is about 526.4794394494.

The spelling of 145929887 in words is "one hundred forty-five million, nine hundred twenty-nine thousand, eight hundred eighty-seven".