145437550 has 24 divisors (see below), whose sum is σ = 286428096. Its totient is φ = 54752640.

The previous prime is 145437541. The next prime is 145437557. The reversal of 145437550 is 55734541.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145437557) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84702 + ... + 86401.

It is an arithmetic number, because the mean of its divisors is an integer number (11934504).

Almost surely, 2^145437550 is an apocalyptic number.

145437550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145437550 is a deficient number, since it is larger than the sum of its proper divisors (140990546).

145437550 is a wasteful number, since it uses less digits than its factorization.

145437550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171132 (or 171127 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 34.

The square root of 145437550 is about 12059.7491682041. The cubic root of 145437550 is about 525.8866950791.

The spelling of 145437550 in words is "one hundred forty-five million, four hundred thirty-seven thousand, five hundred fifty".